<template>
  <el-menu
    default-active="1-4-1"
    class="el-menu-vertical-demo"
    @open="handleOpen"
    @close="handleClose"
    :collapse="isCollapse"
    background-color="#545c64"
    text-color="#fff"
    active-text-color="#ffd04b"
  >
  <h3 v-if="!isCollapse">通用后台管理系统</h3>
  <h3 v-if="isCollapse">后台</h3>
    <el-menu-item @click="clickMenu(item)" v-for="item in noChildren" :key="item.name" :index="item.name">
      <i :class="`el-icon-${item.icon}`"></i>
      <span slot="title">{{item.label}}</span>
    </el-menu-item>
    <el-submenu :index="item.label" v-for="item in hasChildren" :key="item.name">
      <template slot="title">
        <i :class="`el-icon-${item.icon}`"></i>
        <span>{{item.label}}</span>
      </template>
      <el-menu-item-group  :index="item.label" v-for="subItem in item.children" :key="subItem.label">
          <el-menu-item  @click="clickMenu(subItem)" :index="subItem.label">{{subItem.label}}</el-menu-item>
      </el-menu-item-group>
    </el-submenu>
  </el-menu>
</template>

<script>
export default {
  name: "CommonAside",
  data() {
    return {
      menuData: [
          {
            path: "/",
            name: "home",
            label: "首页",
            icon: "s-home",
            url: "Home/Home",
          },
          {
            path: "/mall",
            name: "mall",
            label: "商品管理",
            icon: "video-play",
            url: "MallManage/MallManage",
          },
          {
            path: "/user",
            name: "user",
            label: "用户管理",
            icon: "user",
            url: "UserManage/UserManage",
          },
          {
            label: "其他",
            icon: "location",
            children: [
              {
                path: "/page1",
                name: "page1",
                label: "页面1",
                icon: "setting",
                url: "Other/PageOne",
              },
              {
                path: "/page2",
                name: "page2",
                label: "页面2",
                icon: "setting",
                url: "Other/PageTwo",
              },
            ],
          },
        ],
    };
  },
  methods:{
    handleOpen(key,keyPath) {
        console.log(key,keyPath);
    },
    handleClose(key,keyPath) {
        console.log(key,keyPath);
    },
    // 点击菜单
    clickMenu(item) {
      // console.log(item);
      // 如果当前的路由==跳转的路由 就不跳转  != 才跳转路由
      if(this.$route.path !== item.path && !(this.$route.path === '/home' && (item.path == '/'))) {
      this.$router.push(item.path)
      }  
      this.$store.commit('crumbsMenu', item)
    },
   
  },
  computed:{
     // 没有子菜单
    noChildren() {
        return this.menuData.filter(item => !item.children)
    },
    // 有子菜单
    hasChildren() {
        return this.menuData.filter(item => item.children)
    },
    isCollapse() {
      return this.$store.state.tab.isCollapse
    }
  },
  
};
</script>

<style lang="less" scoped>
  .el-menu-vertical-demo:not(.el-menu--collapse) {
    width: 200px;
    min-height: 100%;
  }
  .el-menu {
    height: 100vh;
    h3 {
      color: #fff;
      text-align: center;
      line-height: 48px;
      font-size: 16px;
      font-weight: 400;
    }
  }
  .menu-wrapper{
 	overflow-x: hidden;
  }
</style>